CONTENTS. 
(A) 
VOL. 188. 
A Magnetic Survey of the British Isles for the Epoch January 1, 1891. 
Ruckee, M.A., F.R.S., and T. E. Thorpe, D.Sc., LL.D., F.R.S. . 
MDCCCXCVI.—A. 
d 
By A. W. 
. page 1 
